The pho20 charger comes with a fast charge function, but it needs to be activated to use. First, make sure the charger you are using supports fast charging.
Then, connect the power bank to the charger and charge it fully.
Next, press and hold the power button for more than 3 seconds until the fast charge indicator lights up. At this time, the fast charging function of the charging bank has been activated, and you can quickly charge the devices that support fast charging. In the process of use, it is necessary to pay attention to the use of original chargers and wires to ensure the best fast charging effect.